Define:
(a) hejira
(b) hajj
(c) caliph.

1.Muhammad's departure from Mecca to Medina in AD 622, prompted by the opposition of the merchants of Mecca and marking the consolidation of the first Muslim community.

2. the perglimage where muslims go to meca to visit the house of god the kebba.

3. the chief Muslim civil and religious ruler, regarded as the successor of Muhammad.

on this day in 1913, henry ford installs the first moving assembly line for the mass production of an entire automobile. his innovation reduced the time it took to build a car from more than 12 hours to two hours and 30 minutes.

on the whole, dickens has shown the french revolution and its this site might you. good at his job, and the subject matter he chose,